21428472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 58171680

約数和(自身を除く): 36743208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 397, 519, 692, 794, 1038, 1191, 1384, 1588, 2076, 2249, 2382, 3176, 4152, 4498, 4764, 5161, 6747, 8996, 9528, 10322, 13494, 15483, 17992, 20644, 26988, 30966, 41288, 53976, 61932, 68681, 123864, 137362, 206043, 274724, 412086, 549448, 824172, 892853, 1648344, 1785706, 2678559, 3571412, 5357118, 7142824, 10714236, 21428472]

約数ペア:

[(1, 21428472), (2, 10714236), (3, 7142824), (4, 5357118), (6, 3571412), (8, 2678559), (12, 1785706), (13, 1648344), (24, 892853), (26, 824172), (39, 549448), (52, 412086), (78, 274724), (104, 206043), (156, 137362), (173, 123864), (312, 68681), (346, 61932), (397, 53976), (519, 41288), (692, 30966), (794, 26988), (1038, 20644), (1191, 17992), (1384, 15483), (1588, 13494), (2076, 10322), (2249, 9528), (2382, 8996), (3176, 6747), (4152, 5161), (4498, 4764)]